acetylene gas calcium carbide for fruit ripening Product Description Product Features of Calcium Carbide 1. It is called calcium carbide( CaC2). It is a hard lump and the cross section is dark grey or brown. 2. It is lumpy substance, its surface is...

Calcium carbide powder stoneer stone Product Description Product Features of Calcium Carbide 1. It is called calcium carbide( CaC2). It is a hard lump and the cross section is dark grey or brown. 2. It is lumpy substance, its surface is a little...